Correct error navigator

Sources/justMUSIC/lib/main.dart

@@ -5,6 +5,7 @@ import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
@@ -26,8 +27,6 @@ import 'package:justmusic/view_model/UserViewModel.dart';
 import 'package:justmusic/model/User.dart' as userJustMusic;
 import 'firebase_options.dart';
 import 'package:timezone/data/latest.dart' as tz;
-import 'package:flutter/material.dart';
-import 'package:intl/intl.dart';
 import 'package:intl/date_symbol_data_local.dart';
 
 Future<void> main() async {
@@ -39,7 +38,9 @@ Future<void> main() async {
     options: DefaultFirebaseOptions.currentPlatform,
   );
   await initializeDateFormatting('fr_FR', null);
-  await FirebaseMessaging.instance.requestPermission(sound: true);
+  if (!kIsWeb) {
+    await FirebaseMessaging.instance.requestPermission(sound: true);
+  }
   runApp(const MyApp());
 }